<?php

declare(strict_types=1);

/** @var array<string, mixed> $app */
$app = require __DIR__ . '/src/bootstrap.php';

$config = $app['config'];
$repository = $app['repository'];
$service = $app['service'];

$activeSource = $_GET['source'] ?? null;
if (!is_string($activeSource) || $activeSource === '') {
    $activeSource = null;
}

$ranges = $config['ranges'] ?? [];
$activeRange = $_GET['range'] ?? '';
if (!is_string($activeRange) || !array_key_exists($activeRange, $ranges)) {
    $activeRange = '';
}

$since = $activeRange !== '' ? gmdate('c', time() - (int) $ranges[$activeRange]) : null;
$pageSize = (int) $config['page_size'];

// Register the configured feeds before anything renders so the filter tabs are
// complete on a fresh database; refreshStale() repeats the same sync cheaply.
$repository->syncFeeds($app['feeds']);

$sources = $service->sources();
if ($activeSource !== null && !in_array($activeSource, $sources, true)) {
    $activeSource = null;
}

// Send the shell (header, filters and the feed loader) before refreshing, so
// the loader is on screen while the feeds are being fetched. Nothing may hold
// those bytes back.
ini_set('zlib.output_compression', '0');
while (ob_get_level() > 0 && ob_end_flush()) {
    // Drop any active output buffers so the shell reaches the browser now.
}

echo App\View::render('shell', [
    'config' => $config,
    'sources' => $sources,
    'activeSource' => $activeSource,
    'activeRange' => $activeRange,
    'cachedTotal' => $repository->countItems($activeSource, $since),
]);

flush();

$refresh = $service->refreshStale();
$page = $service->page($activeSource, 1, $pageSize, $since);

echo App\View::render('content', [
    'activeSource' => $activeSource,
    'activeRange' => $activeRange,
    'page' => $page,
    'refresh' => $refresh,
]);